Table 5.
External validity of the 2-cluster solution
| Symptoms scale | Sample 1 (n = 1,581) | Sample 2 (n = 1,318) | ||||||
| Cluster 1 (non-CSBD, n = 1,421) M (SD) or % |
Cluster 2 (CSBD, n = 160) M (SD) or % |
Inferential statistic | Effect size | Cluster 1 (non-CSBD, n = 1,215) M (SD) or % |
Cluster 2 (CSBD, n = 103) M (SD) or % |
Inferential statistic | Effect size | |
| Sociodemographic profile | ||||||||
| Gender (male) | 40.1% | 69.4% | χ2 = 50.22*** | V = 0.18 | 55.1 | 72.8% | χ2 = 12.17*** | V = 0.09 |
| Age | 20.58 (2.16) | 20.53 (2.82) | t = 0.287 | d = 0.01 | 34.55 (17.02) | 30.87 (15.58) | t = 2.11* | d = 0.22 |
| Steady partner (yes) | 54% | 37.5% | χ2 = 16.81*** | V = 0.10 | 69.5% | 69.9% | χ2 = 0.36 | V = 0.02 |
| Sexual orientation (heterosexual) | 93% | 82.5% | χ2 = 29.84*** | V = 0.14 | 74.5% | 66% | χ2 = 7.27* | V = 0.07 |
| Sexual orientation (bisexual) | 2.5% | 10% | 12.9% | 22.3% | ||||
| Sexual orientation (homosexual) | 4.4% | 7.5% | 12.7% | 11.7% | ||||
| Sexual dispositional traits | ||||||||
| Sexual Sensation Seeking Scale (SSSS, range between 11–44) | 24.86 (6.37) | 30.89 (5.37) | t = −7.19*** | d = 1.02 | 24.17 (6.27) | 29.82 (6.20) | t = −8.78*** | d = 0.90 |
| Sexual Opinion Survey (SOS, range between 20–140) | 109.99 (13.47) | 113.93 (16.42) | t = −1.27 | d = 0.26 | ||||
| Sexual profile: Online Sexual Behavior | ||||||||
| Minutes per week devoted to cybersex | 65.29 (90.85) | 152.37 (185.40) | t = −5.47*** | d = 0.59 | 118.54 (230.54) | 263.50 (340.06) | t = −5.84*** | d = 0.49 |
| Internet Sex Screening Test (ISST, range between 0–25) | 4.91 (3.76) | 8.97 (4.45) | t = −7.73*** | d = 0.98 | 6.27 (3.95) | 11.93 (4.60) | t = −13.76*** | d = 1.32 |
| Have you ever been worried about your cybersex consumption? (yes) | 30.5% | 59.4% | χ2 = 35.10*** | V = 0.17 | ||||
| Do you think you spend more time than advised online for sexual purposes? (yes) | 12.5% | 50.5% | χ2 = 105.42*** | V = 0.29 | ||||
| Sexual profile: Offline Sexual behavior | ||||||||
| Lifetime sexual intercourse (yes) | 96.8% | 95.7% | χ2 = 0.21 | V = 0.02 | 82.3% | 82.5% | χ2 = 0.04 | V = 0.006 |
| Same−sex sexual intercourse (yes) | 11.7% | 29% | χ2 = 13.30*** | V = 0.18 | 28.6% | 40.8% | χ2 = 6.71** | V = 0.07 |
| Lifetime number of sexual partners | 5.53 (5.52) | 9.77 (15.14) | t = −3.85*** | d = 0.37 | ||||
| Sexual intercourse: more than three times per week | 20.5% | 33.3% | χ2 = 5.31* | V = 0.11 | 37.1% | 54.9% | χ2 = 11.82*** | V = 0.10 |
| Masturbation (yes) | 84.8% | 98.6% | χ2 = 9.83** | V = 0.16 | 92% | 93.2% | χ2 = 0.18 | V = 0.01 |
| Oral sex (yes) | 89.5% | 94.3% | χ2 = 1.49 | V = 0.06 | 88.2% | 86.4% | χ2 = 0.30 | V = 0.02 |
| Vaginal intercourse (yes) | 92.1% | 92.9% | χ2 = 0.05 | V = 0.01 | 81.9% | 80.6% | χ2 = 0.10 | V = 0.01 |
| Anal intercourse (yes) | 34.3% | 51.4% | χ2 = 7.18** | V = 0.13 | 52% | 56.3% | χ2 = 0.70 | V = 0.02 |
| Clinical profile | ||||||||
| Beck Depression Inventory (BDI-II, range between 0–63) | 7.20 (6.61) | 12.49 (8.65) | t = −5.59*** | d = 0.68 | ||||
| State-Trait Anxiety Inventory (STAI-State, range between 0–60) | 11.77 (15.69) | 15.69 (9.09) | t = −3.65*** | d = 0.33 | ||||
| Hospital Anxiety and Depression Scale (HADS-Depression, range between 7–28) | 10.79 (3.18) | 13.36 (3.36) | t = −7.73*** | d = 0.78 | ||||
| Hospital Anxiety and Depression Scale (HADS-Anxiety, range between 7–28) | 13.83 (3.75) | 17.35 (4.48) | t = −9.02*** | d = 0.85 | ||||
| Rosenberg Self-esteem Scale (RSES, range between 10–40) | 31.54 (5.45) | 29.50 (5.88) | t = 2.79** | d = 0.35 | 31.74 (5.92) | 28.33 (6.42) | t = 5.57*** | d = 0.55 |
Note. *P < 0.05; **P < 0.01; ***P < 0.001